RiverFish

Bitterling · Rhodeus sericeus

Bitterling in the River DS Lark

Largest measured bitterling: 7.8 cm

The largest bitterling measured in Environment Agency surveys of the River DS Lark was 7.8 cm, recorded at Lark Grange on 25 July 2000.

Across 365 measured bitterling, the median measured length was 6.2 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River DS Lark.

See bitterling records across England →

Most recent observation17 September 2024Branch Bridge · 44 fish
Largest measured bitterling
7.8 cm
Median length
6.2 cm
Fish measured
365
Survey locations
5

Individual EA measurements

Largest measured bitterling

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
7.8 cm25 Jul 2000Lark Grange30788
7.7 cm17 Sept 2024Branch Bridge167139
7.5 cm17 Sept 2024Branch Bridge167139
7.5 cm17 Sept 2024Branch Bridge167139
7.5 cm14 Sept 2012Isleham Lock133605
7.4 cm17 Sept 2024Branch Bridge167139
7.3 cm11 Sept 2024Prickwillow167145
7.3 cm20 Jun 2000Isleham Lock30786
7.3 cm22 Jul 1996Baskey Bay29838
7.3 cm19 Jul 1996Lark Grange29839

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where bitterling were found

Each point marks a survey location with at least one bitterling record.

Choose a point on the map to see what was recorded there.

Map points are approximate and don’t show fishing access. Check local permissions before visiting.

Place surveyedFirst recordedLast recordedVisits finding bitterling
Branch Bridge16 Jul 199617 Sept 20247
Prickwillow23 May 199311 Sept 202412
Isleham Lock15 Jul 199314 Sept 20159
Lark Grange22 Jul 199325 Jul 20003
Baskey Bay19 Jul 19935 Jul 20003

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1993–2024

Survey records by year

Each bar shows how many survey visits recorded bitterling that year.

Fish measured by surveyors

Measured length distribution

See how the 365 measured fish were spread across different length ranges.

Smallest
5.2 cm
Lower quarter
5.8 cm
Median
6.2 cm
Upper quarter
6.4 cm
Largest
7.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River DS Lark

Compare other species with enough survey and measurement data for a detailed page.

Roach Perch Pike Dace Gudgeon Common bream

Before you fish

Good to know

These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.

Learn how RiverFish uses the data →